Home / 6,123.20-9,168.16-4,270.40

Finding the Fourth Proportional to 6,123.20, 9,168.16 and 4,270.40

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Solution

The fourth proportional to 6,123.20, 9,168.16 and 4,270.40 is: 6,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.20 : 9,168.16 = 4,270.40 : x
  2. Step 2: Convert to fraction form
    6,123.20/9,168.16 = 4,270.40/x
  3. Step 3: Cross multiply
    6,123.20x = 9,168.16 × 4,270.40
  4. Step 4: Simplify right side
    6,123.20x = 39,151,710.46
  5. Step 5: Solve for x
    x = 39,151,710.46/6,123.20
  6. Step 6: Final answer
    x = 6,394.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.